Between the council periodic elections that take place every four years, the Electoral Commission SA is occasionally required to hold elections to fill vacancies that arise on councils.
Council supplementary elections currently taking place in South Australia include:
Polling September 2025 Supplementary Elections
Due to the high volume of supplementary election events scheduled for September, our candidate portal is currently unable to accommodate individual Council names (as listed below). As a result, we have opted to use the generic label "September 2025 Supplementary Elections" on the portal’s landing page. Candidates wishing to nominate will select this option, after which they can proceed to nominate within their respective election.
- Town of Gawler, Mayor
- Yorke Peninsula Council, Mayor
- District Council of Orroroo Carrieton, Area Councillor
- Adelaide Hills Council, Ranges Ward
- Adelaide Hills Council, Valleys Ward
- City of Norwood Payneham & St Peters, St Peters Ward
- Mount Barker District Council, South Ward
Polling October 2025
- District Council of Kimba - Area Councillor
- City of Norwood Payneham & St Peters, West Norwood/Kent Town Ward
For information and the results of past council elections, visit the our past council elections results page.
Where you can follow us
